Home / 2,590.68-3,883.46-1,029.76

Finding the Fourth Proportional to 2,590.68, 3,883.46 and 1,029.76

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Solution

The fourth proportional to 2,590.68, 3,883.46 and 1,029.76 is: 1,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.68 : 3,883.46 = 1,029.76 : x
  2. Step 2: Convert to fraction form
    2,590.68/3,883.46 = 1,029.76/x
  3. Step 3: Cross multiply
    2,590.68x = 3,883.46 × 1,029.76
  4. Step 4: Simplify right side
    2,590.68x = 3,999,031.77
  5. Step 5: Solve for x
    x = 3,999,031.77/2,590.68
  6. Step 6: Final answer
    x = 1,543.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.